Lab tests CPT 84100 Outpatient

Phosphorus test cost in Bangor, ME

In Bangor, ME, 4 hospitals list a cash price for phosphorus (phosphate) blood test: from $10.50 to $45.90, with a median of $27.34. The lowest listed price is at Northern Light Eastern Maine Medical Center — $16.84 less than the median here. Across Maine, the median is $26.68 at 28 hospitals.

Cash prices at 4 facilities across 3 cities for code 84100, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 27, 2026; the hospital files themselves were last updated between — and —.

Lowest$10.50Northern Light Eastern Maine Medical Center
Median$27.34half pay less
Highest$45.90in this market
Difference4.4×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Bangor, ME.

median
Lowest $10.50Highest $50.26

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Northern Light Eastern Maine Medical Center lowest Bangor, ME · (207) 973-7000 PHOSPHORUS LEVEL-Q $10.50 $50.00 $25.45–$40.40 79% —
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Northern Light Eastern Maine Medical Center lowest Bangor, ME · (207) 973-7000 PHOSPHORUS/LAB $10.50 $50.00 $25.45–$40.40 79% —
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Northern Light Acadia Hospital Bangor, ME · (207) 973-6100 PHOSPHORUS $18.00 $50.00 $27.40–$48.50 64% —
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Penobscot Valley Hospital Lincoln, ME · (207) 794-3321 ?hosphate Serum 718X Quest $36.68 $45.85 $4.65–$44.02 20% —
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Millinocket Regional Hospital Millinocket, ME · (207) 723-5161 PHOSPHORUS $45.90 $51.00 $21.99–$47.23 10% —
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Penobscot Valley Hospital Lincoln, ME · (207) 794-3321 Phosphorus $50.26 $62.83 $4.65–$60.32 20% —
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Outpatient: lowest $10.50, median $27.34, highest $45.90 — a 4.4× difference within the same market.

As an inpatient, the same code is billed by 4 facilities here, median $27.34. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.

Cash or insurance?

At 4 of 4 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at 2 it is below every plan's rate. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.

What it is

A phosphorus test measures phosphate in the blood. It is used with calcium for kidney disease, bone disease and parathyroid problems.

What the price covers

The price usually covers running the test. The blood draw (36415) is often billed as a separate line.